Results 71 to 80 of about 1,266,887 (331)

Synthesize of Superparamagnetic Zinc Ferrite Nanoparticles at Room Temperature [PDF]

open access: yesJournal of Nanostructures, 2012
Superparamagnetic single phase zinc ferrite nanoparticles have been prepared by coprecipitation method at 20 °C without any subsequent calcination. The composition, crystallite size, microstructure and magnetic properties of the prepared nanoparticles
R. Raeisi Shahraki, M. Ebrahimi
doaj   +1 more source

High aspect ratio silicon dioxide-coated single-walled carbon nanotube scanning probe nanoelectrodes [PDF]

open access: yes, 2009
We have fabricated high aspect ratio, hydrophilic nanoelectrodes from individual single-walled carbon nanotubes (SWNTs) mounted on conductive atomic force microscope (AFM) tips for use as electrochemical probes.
Ceres, Donato M.   +4 more
core   +2 more sources

EBSD Study of Creep‐Induced Lattice Misorientation in MgO‐Particle‐Reinforced Austenitic Steel Composites

open access: yesAdvanced Engineering Materials, EarlyView.
Creep experiments at 900°C on coarse‐grained steel‐ceramic composites containing recycled magnesia reveal that higher ceramic volume fractions significantly enhance the creep resistance. Detailed EBSD investigations identify subgrain formation in the steel matrix as the dominant deformation mechanism.
Moritz Müller   +6 more
wiley   +1 more source

Electron energy loss spectroscopy determination of Ti oxidation state at the (001) LaAlO3/SrTiO3 interface as a function of LaAlO3 growth conditions

open access: yes, 2007
At the (001) interface between the two band-insulators LaAlO3 and SrTiO3, a high-mobility electron gas may appear, which has been the object of numerous works over the last four years.
Ballutaud, Dominique   +12 more
core   +4 more sources

Motion-corrected Fourier ptychography [PDF]

open access: yes, 2016
Fourier ptychography (FP) is a recently proposed computational imaging technique for high space-bandwidth product imaging. In real setups such as endoscope and transmission electron microscope, the common sample motion largely degrades the FP ...
Bian, Liheng   +6 more
core   +2 more sources

Effect of Laser Deoxidation on Adhesive‐Bonded Aluminum in an Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates laser ablation of aluminum under oxygen‐free conditions. The goal is to produce oxide‐free substrates that enable improved adhesive bonding with epoxy. Optimized laser parameters (90% overlap, 300 µJ) combined with oxide‐free substrates result in the highest tensile strength of the adhesive bond.
Sandra Gerland   +5 more
wiley   +1 more source

Synthesis and Characterization of Diesel, Kerosene and Candle Wax Soot’s

open access: yesInternational Journal of Electrochemical Science, 2012
Diesel, kerosene and candle wax have been used as carbon sources for the production of carbon nanomaterial without a precursor catalyst. Nanomaterials formed in the process were analysed by High resolution transmission electron microscope (HR-TEM), Raman
Ntaote David Shooto, Ezekiel Dixon Dikio
doaj   +1 more source

Facile construction of a multilayered interface for a durable lithium‐rich cathode

open access: yesCarbon Energy, 2023
Layered lithium‐rich manganese‐based oxide (LRMO) has the limitation of inevitable evolution of lattice oxygen release and layered structure transformation. Herein, a multilayer reconstruction strategy is applied to LRMO via facile pyrolysis of potassium
Zhou Xu   +10 more
doaj   +1 more source

Principles and Implementation of an Ultrafast Transmission Electron Microscope [PDF]

open access: yes, 2017
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 - August 2 ...
Carbone, F.   +4 more
core   +1 more source

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

open access: yesAdvanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa   +9 more
wiley   +1 more source

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